Introduction to SQL Which of the following do you need to consider when you make a table in SQL? Primary keys All of these Data types Default values Primary keys All of these Data types Default values ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statementSELECT SUBSTR('123456789', INSTR('abcabcabc', 'b'), 4) FROM DUAL; 1234 6789 2345 456789 1234 6789 2345 456789 ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SELECT statement SELECT 'Hi' FROM DUAL WHERE NULL = NULL; Outputs Nothing TRUE FLASE Hi Nothing TRUE FLASE Hi ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL If you are going to use a combination of three or more AND and OR conditions, it is often easier to use the NOT and NOT IN operators. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is a SQL aggregate function? JOIN LEN AVG LEFT JOIN LEN AVG LEFT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL 'AS' clause is used in SQL for Join operation. Rename operation. Projection operation. Selection operation. Join operation. Rename operation. Projection operation. Selection operation. ANSWER DOWNLOAD EXAMIANS APP
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